From 9bc817b08598491ca232e876753e708bd681af21 Mon Sep 17 00:00:00 2001 From: Claude Meny Date: Sun, 6 Oct 2019 09:10:57 +0200 Subject: [PATCH] suite --- .../02.plane-refracting-surface-overview/cheatsheet.en.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md index 47caa8d2d..7e7420fd9 100644 --- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md +++ b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md @@ -128,8 +128,8 @@ We call **thin spherical refracting surface** a spherical refracting surface *us which defines $`\overline{SC}`$ : algebraic distance between vertex S and center C of curvature on optical axis. * 2 refractive index values :
-\- **$`n-{inc}`$ : refractive index of the medium of the incident light**.
-\- **$`n-{eme}`$ : refractive index of the medium of the emergent light**. +\- **$`n_{inc}`$ : refractive index of the medium of the incident light**.
+\- **$`n_{eme}`$ : refractive index of the medium of the emergent light**. * 1 arrow : indicates the *direction of light propagation* * @@ -145,7 +145,7 @@ which defines $`\overline{SC}`$ : algebraic distance between vertex S and center * **Transverse magnification expression**

**$`\overline{M_T}=\dfrac{n_{inc}\cdot\overline{SA_{ima}}}{n_{eme}\cdot\overline{SA_{obj}}}`$**   (equ.2) -You know $`\overline{SA_{obj}}$, $n_{inc}$ and $n_{eme}`$, you have previously calculated $`\overline{SA_{ima}}`$, so you can calculate $`\overline{M_T}`$ and deduced $`\overline{A_{ima}B_{ima}}`$. +You know $`\overline{SA_{obj}}`$, $`n_{inc}`$ and $`n_{eme}`$, you have previously calculated $`\overline{SA_{ima}}`$, so you can calculate $`\overline{M_T}`$ and deduced $`\overline{A_{ima}B_{ima}}`$. ! *USEFUL* : The conjuction equation and the transverse magnification equation for a plane refracting surface are obtained by rewriting these equations for a spherical refracting surface in the limit when $`|\overline{SC}|\longrightarrow\infty`$.
Then we get *for a plane refracting surface :*